X-Received: by 2002:a17:90b:4b08:b0:1b7:d3fe:9870 with SMTP id lx8-20020a17090b4b0800b001b7d3fe9870mr7147118pjb.104.1645583931615; Tue, 22 Feb 2022 18:38:51 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1645583931; cv=none; d=google.com; s=arc-20160816; b=OPm61Ik05HkpLpq+ZHHYVmZxWqA6ZTWtoot05iC52zuvZjCjbO9j0iZevixlUDTip+ mPfyv18MOnYTKyJOSsP+KX0SKrhpoBIe/h4bdC+ZFqhPknlbgF6r4fEqLC/gmkdNQpjJ PmvLlXOnLQ0+iLQr/SQWd1ZtVaCFkR0rHp2zvwukW9mXs0UXi66sK3ZtoAJOHYpNJPpQ crBOFhyqvmJAx9YBw0YTeu1MXHxyYg4sACMsJstiNNsKv3crgSEw6KprgMUXz4IICKCv ks6UgARRPHsSG6EYtSbK3IHeCcRayUGNW3F6rxio44ZtwCwp4dhWqpGpgFsGE4ukGCCY fphw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=Sq5FTZdZCuJGAIiKXu3zLR9CZVx0uxX1AdIquLrEsgI=; b=1Hn1ELUh2tLVXI6SkGIwUJGLrukjFZ9cfF6G9PktevC+FpYvg/liYr7LnoZ7uBT0EB U5rp41T+X6qB7rWRp5v+FtH+lsEPj2M9dxIbBQunPyxApS5eM44DSJidB3E7RsV83rA+ r2/RCIAPCH+ah/14HOr6BtohclEz/MaAzHB28Eh7PwkjEuYhSl1XZbnUJZldw7hUy20m 02NNzjSVaSfEIKrN1R8Zibgi9/uRyjifYWIHeNtbvehuLfmlVgr9+CrL6SWBYmxYYeQz HuQ8n2niTdNpndtxF1G/AeKz4UH/3cujQTlFnX9KTMlovz/OxWgLFHymmYXyd6zhWsmd pnuQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id u71si21854138pgd.225.2022.02.22.18.38.35; Tue, 22 Feb 2022 18:38:51 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234650AbiBVRb0 (ORCPT + 99 others); Tue, 22 Feb 2022 12:31:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232398AbiBVRbZ (ORCPT ); Tue, 22 Feb 2022 12:31:25 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CDEA170D4D for ; Tue, 22 Feb 2022 09:31:00 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 4724568AFE; Tue, 22 Feb 2022 18:30:57 +0100 (CET) Date: Tue, 22 Feb 2022 18:30:57 +0100 From: Christoph Hellwig To: ChenXiaoSong Cc: jlbec@evilplan.org, hch@lst.de, linux-kernel@vger.kernel.org, yukuai3@huawei.com, yi.zhang@huawei.com, qiulaibin@huawei.com Subject: Re: [PATCH -next] configfs: fix a race in configfs_{,un}register_subsystem() Message-ID: <20220222173057.GA15331@lst.de> References: <20220215071030.3067982-1-chenxiaosong2@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220215071030.3067982-1-chenxiaosong2@huawei.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks, applied.